Access Bloomberg BNA Tax & Accounting's expert-written analysis and news on research and development credits from a federal income tax perspective. Find practical research on research and development credit topics, such as Section 41 R&D credit, commercial production of a new product, computer software development, aggregation of expenditures, and more. Access Bloomberg BNA Tax & Accounting's detailed analysis, practice tools, client letters, source documents, and working papers to help you with any transaction.